The California Department of Education encourages its school districts to make every effort to reduce classroom size and maintain the physical size of 960 square feet for elementary schools and 1,350 square feet for kindergartens. This report examines the Code of Regulations relative to classroom size in elementary, kindergarten, and special education classrooms. It also addresses class reduction and its affects support facilities such as toilets, ventilation, lighting, and fire exists. Concluding comments examine law pertaining to classroom size for self-contained classrooms and the site size issues involved as classroom size necessitates ever larger school sites. (GR)